code: def acquire_manager(self, n: int) -> _AcquireManager:
      return _AcquireManager(self, n)
  
file_path: hail/hail/python/hailtop/aiotools/weighted_semaphore.py
imports: from typing import Optional, Type
  from sortedcontainers import SortedKeyList
  from types import TracebackType
  import asyncio
label_desc: Use image node_id 3 for calling the WeightedSemaphore obj's underlying member method code with example usage: obj.acquire_manager(n) and returns: _AcquireManager